Framing A Flat Roof Porch

Shed roofs project as a single plane roof pitched away from the house.

Framing a flat roof porch.

Some roofs actually slope in several. We show you the steps involved and calculations required for buildng a roof for your porch or constructing one over your deck or patio. Building a porch roof requires basic carpentry and porch roof framing knowledge. Of course you don t need to live in a modern house to deal with a flat roof.

If you are tying the roof directly to a house wall you can install a ledger board with flashing and install rafter ties to attach the rafters at the appropriate angles or use engineered trusses. Above the porch framing to compensate for the difference in thickness of the 3 4 in. Additionally you can use decorative posts to make your porch look classy. This patio roof gives a modern touch to your house.

Do this by using a taut string line or a long straight board. Remember to raise the tie in framing on the existing house roof in. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape.

So every flat roof actually has a gentle rise and fall created by a frame that enables water to run off the roof naturally and thus avoid any problems caused by weeds or other plant matter starting to grow on the roof. Roof boards so use 3 4 in thick spacer blocks to raise the line to the correct tie in framing height. We show you how both a typical rafter style porch and truss roof area constructed. The minimalist concept just like any other modern houses is what it is all about.

And so do the post and the frame of the ceiling. Flat roofs are more susceptible to leaking than pitched roofs. Flat roof construction using duro last membrane photo courtesy of the porch company a flat roof needs to be correctly installed. Choosing between them remember that the porch roof has to fit in the existing design and color scheme and complement the architectural style of the house.

It s less forgiving than a shingled roof. This roof looks like floating since it is only supported by a post and the wall of the house. Flat roofs are always built at a slight incline at least 1 8 inch per foot. The tongue and groove ceiling complements the wooden fence very well.